這是 FIR 指令的說明 2ye^mJ17
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At any conjugate, finite or infinite: 2mS3gk
EFL – Effective focal length fuM+{1}/E
BFL – Back focal length %GUu{n<6
FFL – Front focal length A|sTnhp~
FNO – f/number oY@4G)5
IMG DIS– Actual image distance (SI-1 to SI) j-2`yR
OAL – Overall length (S1 to SI-1) H"PnX-fGN
ANG – Object space last field angle (in degrees) p8<Y5:`
,: X+NQ
PARAXIAL IMAGE 9g3J{pKcZ
HT – Height on image surface 2.)@u~^Q
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ENTRANCE PUPIL nenYP0
DIA – Diameter b#h?O}
THI – Distance from S1 to pupil FoM4QO
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EXIT PUPIL uG1
1~uAt
DIA – Diameter 6x KbK1W
THI – Distance from SI-1 to pupil 2XJn3wPi
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Add at finite conjugates (if applicable): ;2"#X2B
RED – Reduction ratio 3ThCY`
FNO – f/number at actual conjugate iq$edq[
OBJ DIS – Object distance (SO) eCB(!Y|
TT – Total track distance (SO to SI) %=x|.e@J
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PARAXIAL IMAGE -|^}~yOx0=
THI – Paraxial image distance (from SI-1) *z4n2"<l